One piece thermoset well insulates and concentrates the heat into water bath Dome elements transfer energy directly into water bath Four guide holes per side for Breath Guard attachment Equipped with standard 480W, 700W or 800W elements Each well is equipped with a brass drain valve Plate shelf and cutting board standard on hot food unit 8" wide cutting board Stainless steel construction includes legs and undershelf Shipped knockdown Automatic thermostatic controls 3/8" thick cutting board 71/2" wide plate shelf Standard adjustable stationary legs or optional caster set* Standard 10 power cord Low-water indicator light eliminates guesswork Thermoset wells cannot pit or rust Recommended for use with up to 4" (10.2 cm) deep full or fractional size pans Use standard adaptor plates and insets for serving flexibility 38099 Optional Caster Set has four 4" (10.2 cm) swivel wheels, two with brakes